/* MarianaMatric — playful editorial refinement inspired by immersive education storytelling. */
:root{
  --mm-blue:#0874f9;
  --mm-blue-deep:#063d9b;
  --mm-navy:#071b41;
  --mm-sky:#9ed3ff;
  --mm-ice:#e8f4ff;
  --mm-white:#fff;
  --mm-orange:#ff7200;
  --mm-yellow:#ffc83d;
  --mm-pink:#ff5cc8;
  --mm-green:#32c968;
  --mm-cyan:#12b9ef;
  --mm-purple:#7b54f6;
  --mm-line:#bfd7f4;
  --mm-ease:cubic-bezier(.16,1,.3,1);
}

html{scroll-padding-top:135px}
body{background:#fff;color:var(--mm-navy);font-size:17px}
.container{width:min(1280px,calc(100% - 64px))}
.section{padding-block:120px}

/* Persistent event strip and floating capsule navigation. */
.announcement{position:fixed;inset:0 0 auto;z-index:90;height:var(--announcement-height);background:var(--mm-blue);border:0}
.header,.header.is-scrolled{
  position:fixed;top:calc(var(--announcement-height) + 14px);left:50%;z-index:80;
  width:min(1240px,calc(100% - 48px));height:76px;padding:0 12px 0 24px;
  transform:translateX(-50%);background:#fff;border:1px solid #d8e5f4;border-radius:999px;
  box-shadow:0 14px 45px rgba(7,27,65,.10);transition:height .5s var(--mm-ease),box-shadow .5s var(--mm-ease)
}
.header.is-scrolled{height:68px;box-shadow:0 11px 34px rgba(7,27,65,.14)}
.header nav{gap:4px}
.header nav>a:not(.button){font-weight:650;padding-inline:15px}
.header nav>a:not(.button):hover{background:var(--mm-ice);color:var(--mm-blue)}
.header nav>.button{margin-left:8px;min-height:48px;padding:12px 20px}
.header nav>.button.ams-button{margin-left:14px;background:var(--mm-orange);color:#fff}
.header nav>.button.ams-button:hover{background:#e75f00}
.header nav>.button.ams-button+.button{margin-left:4px;background:var(--mm-blue);color:#fff}

/* Desktop header silhouette: independent brand mark + sculpted action capsule. */
@media(min-width:901px){
  .header,.header.is-scrolled{
    width:min(1320px,calc(100% - 54px));padding:0;background:transparent;border:0;
    border-radius:0;box-shadow:none
  }
  .header .brand{
    position:relative;display:flex;align-items:center;min-width:194px;padding:10px 20px;background:#fff;
    border:1px solid #d8e5f4;border-radius:999px;box-shadow:0 12px 36px rgba(7,27,65,.11)
  }
  .header .brand img{width:168px;height:auto}
  .header .brand:before{
    content:none
  }
  .header nav{
    position:relative;isolation:isolate;padding:7px 8px 7px 18px;background:#fff;
    border:1px solid #d8e5f4;border-radius:999px;box-shadow:0 12px 36px rgba(7,27,65,.11)
  }
  .header nav:before{
    content:none
  }
  .header nav>a:not(.button){position:relative}
  .header nav>a:not(.button):after{content:none}
  .header nav>a[aria-current=location]{background:transparent;color:var(--mm-blue)}
}

/* Compact hero restored from the earlier MarianaMatric direction. */
.hero{padding:128px 0 70px;background:#fff}
.hero-intro{text-align:center;position:relative;padding-bottom:30px}
.hero-intro .eyebrow{margin-bottom:14px}
.hero h1{max-width:900px;margin:0 auto;font-size:clamp(3.2rem,5.8vw,5.7rem);line-height:1.01;letter-spacing:-.035em;text-wrap:balance}
.hero h1 br{display:block}
.hero h1 .together{display:inline;color:var(--mm-blue)}
.hero-panels{
  position:relative;display:grid;grid-template-columns:minmax(0,1.85fr) minmax(250px,1fr);
  gap:22px;min-height:0;padding:0;background:transparent;border-radius:0;overflow:visible
}
.hero-panels:before{content:none}
.hero-main-panel,.hero-app-panel{height:565px;min-height:0;border-radius:26px;box-shadow:none;overflow:hidden}
.hero-main-panel{display:block;padding:30px 35px 0;text-align:center;background:#fff;border:1px solid var(--mm-line)}
.hero-description{max-width:610px;margin:0 auto 20px;color:var(--mm-navy);font-size:22px;line-height:1.38}
.hero .actions{justify-content:center;margin-bottom:18px}
.hero .button.dark{background:#111114;color:#fff}
.hero .button.outline{background:#fff;border-color:var(--mm-blue);color:var(--mm-blue)}
.principles{justify-content:center;margin-bottom:22px;color:var(--mm-navy);font-size:11px}
.principles li:before{color:var(--mm-blue)}
.hero-product-view{width:90%;max-width:590px;margin:0 auto;background:#fff;border:4px solid var(--mm-navy);border-bottom:0;border-radius:20px 20px 0 0;box-shadow:none}
.hero-app-panel{display:flex;align-items:flex-start;justify-content:center;padding:38px 25px 0;background:var(--mm-sky)}
.hero-app-panel>img{width:73%;max-width:270px;border:5px solid var(--mm-navy);border-bottom:0;border-radius:30px 30px 0 0;box-shadow:none}

/* Three bold, simple pathways. */
.ecosystem{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;padding:42px 0 0;align-items:stretch}
.eco-card,.eco-card.curriculum,.eco-card.prepare,.eco-card.assess{width:auto;height:430px;margin:0;padding:30px;border:0;border-radius:34px!important;box-shadow:none}
.eco-card.curriculum{background:var(--mm-green);color:var(--mm-navy)}
.eco-card.prepare{background:var(--mm-orange);color:var(--mm-navy)}
.eco-card.assess{background:var(--mm-pink);color:var(--mm-navy)}
.eco-card h2{font-size:clamp(2rem,3vw,3.1rem);line-height:.98;margin:18px 0 24px}
.eco-card .module-index{font-size:11px;letter-spacing:.08em}
.curriculum-visual,.screen-crop,.mobile-crop{border-radius:20px}
.curriculum-visual{background:#fff;color:var(--mm-navy)}
.subject-chips span:nth-child(1){background:var(--mm-blue);color:#fff}
.subject-chips span:nth-child(2){background:var(--mm-yellow);color:var(--mm-navy)}
.subject-chips span:nth-child(3){background:var(--mm-purple);color:#fff}
.module-footer{font-size:15px;border-top:1px solid currentColor;padding-top:18px}

/* Big futures scene. */
.futures{
  display:grid;grid-template-columns:1.2fr .8fr;gap:30px;position:relative;overflow:hidden;
  min-height:760px;margin:28px auto 110px;padding:64px;background:var(--mm-yellow);border-radius:46px
}
.futures:after{content:"";position:absolute;width:460px;height:230px;left:-120px;bottom:-120px;background:#fff;border-radius:50% 50% 0 0}
.section-meta{grid-column:1/-1;align-self:start;color:var(--mm-navy);border-bottom:1px solid rgba(7,27,65,.28);padding-bottom:18px}
.section-meta a{font-weight:750}
.future-copy{align-self:center;z-index:1}
.small-steps{font-size:clamp(1.8rem,3vw,3rem);margin-bottom:4px}
.futures h2{font-size:clamp(5.2rem,10.5vw,10.5rem);line-height:.78;letter-spacing:-.05em;color:var(--mm-navy)}
.futures h2 span{color:#fff}
.future-window{height:560px;padding-top:58px;background:var(--mm-blue);border:0;border-radius:230px 230px 28px 28px;align-self:center}
.future-phone{width:245px;border-color:var(--mm-navy);box-shadow:none}
.future-label,.future-caption{color:#fff}
.future-caption{background:var(--mm-navy);border:0}
.future-bottom{grid-column:1/-1;z-index:2;align-self:end;border-top:1px solid rgba(7,27,65,.28);padding-top:22px}
.round-link{background:#fff;color:var(--mm-blue);border:0}

/* Connected journey. */
.journey{padding-top:130px}
.journey>h2{max-width:970px;font-size:clamp(3.8rem,7vw,7rem);line-height:.94;margin-bottom:34px}
.section-description{max-width:760px;font-size:1.25rem;color:#405271}
.journey-map{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;height:auto;margin-top:58px;padding:0}
.journey-stop{position:relative!important;inset:auto!important;width:auto!important;min-height:390px;padding:34px;border-radius:34px;border:0;background:var(--mm-yellow);color:var(--mm-navy)}
.journey-stop:nth-of-type(2){background:var(--mm-pink);color:var(--mm-navy)}
.journey-stop:nth-of-type(3){background:var(--mm-green);color:var(--mm-navy)}
.journey-stop:nth-of-type(4){background:var(--mm-blue);color:#fff}
.journey-stop .letter{width:76px;height:76px;margin:40px 0 22px;background:#fff;color:var(--mm-blue);border:0;border-radius:50%;font-size:42px}
.journey-stop h3{font-size:2.3rem}
.journey-stop p{max-width:430px;font-size:1.05rem}
.journey-stop .tag,.journey-stop .paper-stack span{background:#fff;color:var(--mm-navy);border:0}
.teacher-manifesto{margin-top:24px;padding:72px 45px;background:var(--mm-blue);color:#fff;border:0;border-radius:34px}
.teacher-manifesto p{font-size:clamp(4rem,8vw,8rem);line-height:.82}
.teacher-manifesto p span{color:var(--mm-sky)}

/* Product preparation stage. */
.workbench{margin:30px 24px;background:#fff;color:var(--mm-navy);border:2px solid var(--mm-navy);border-radius:46px;overflow:hidden}
.workbench .section-top,.workbench .section-number{color:var(--mm-navy)}
.workbench-heading{gap:65px}
.workbench-heading h2{font-size:clamp(3.5rem,6vw,6rem);line-height:.94}
.workbench-heading h2 .blue-text{color:var(--mm-blue)}
.workbench-heading p{color:#405271;font-size:1.14rem}
.product-playground{height:760px;margin-top:60px;background:var(--mm-ice);border-radius:36px;overflow:hidden}
.desktop-window,.floating-panel{border:1px solid var(--mm-line);box-shadow:0 18px 50px rgba(7,27,65,.16)}
.desktop-window{border:6px solid var(--mm-navy)}
.floating-panel{border-radius:22px;color:var(--mm-navy)}
.source-panel{border-top:7px solid var(--mm-purple)}
.lesson-panel{border-top:7px solid var(--mm-green)}
.output-panel{border-top:7px solid var(--mm-orange)}
.review-badge{background:var(--mm-pink);color:var(--mm-navy);border:0;box-shadow:none}
.workbench-capabilities{border-top:1px solid var(--mm-line)}
.workbench-capabilities li{color:var(--mm-navy);border-color:var(--mm-line)}

/* Assessment becomes a clean editorial accordion. */
.assessment{padding-block:145px}
.assessment-heading{gap:70px;margin-bottom:58px}
.assessment-heading h2{font-size:clamp(3.5rem,6.4vw,6.4rem);line-height:.92}
.assessment-heading p{font-size:1.15rem;color:#405271}
.assessment-rows details{border-color:var(--mm-line);background:#fff;transition:background-color .55s var(--mm-ease)}
.assessment-rows details[open]{background:linear-gradient(90deg,#fff 0%,#f5faff 54%,#fff 100%)}
.assessment-rows summary{position:relative;padding:30px 0;font-size:clamp(2.5rem,5.4vw,5.4rem);color:var(--mm-navy);transition:color .5s var(--mm-ease),padding .55s var(--mm-ease)}
.assessment-rows details[open] summary{color:var(--mm-blue)}
.detail-toggle{width:54px;height:54px;display:grid;place-items:center;border:2px solid currentColor;border-radius:50%;font-size:2.3rem;transition:rotate .65s var(--mm-ease),scale .45s var(--mm-ease),background-color .45s,color .45s}
.assessment-rows details[open] .detail-toggle{rotate:45deg;scale:1.08;background:var(--mm-blue);color:#fff}
.assessment-rows summary:hover .detail-toggle{scale:1.08}
.assessment-content{padding:10px 0 45px 78px;transform-origin:top center}
.assessment-rows details.is-opening .assessment-content{animation:assessment-content-in .72s var(--mm-ease) both}
.assessment-rows details.is-closing .assessment-content{animation:assessment-content-out .4s ease both}
.assessment-example{transition:transform .7s var(--mm-ease),box-shadow .7s var(--mm-ease)}
.assessment-rows details.is-opening .assessment-example{animation:assessment-card-in .75s .06s var(--mm-ease) both}
@keyframes assessment-content-in{from{opacity:0;transform:translateY(-22px) scaleY(.94)}to{opacity:1;transform:none}}
@keyframes assessment-content-out{from{opacity:1;transform:none}to{opacity:0;transform:translateY(-12px) scaleY(.97)}}
@keyframes assessment-card-in{from{opacity:0;transform:translateX(28px) rotate(1deg)}to{opacity:1;transform:none}}
.assessment-example{background:var(--mm-ice);border:0;border-radius:24px;border-top:0!important}
.decision-state{background:var(--mm-blue)}

/* Audience stage with a single strong blue environment. */
.people{margin:30px 24px;background:var(--mm-blue);border-radius:46px;color:#fff;overflow:hidden}
.people .section{padding-block:110px}
.people .section-top,.people .section-number{color:#fff}
.people h2{font-size:clamp(4rem,7.5vw,7.4rem);line-height:.9}
.people h2 span{color:var(--mm-sky)}
.audience-tabs{display:flex;width:max-content;max-width:100%;padding:6px;background:#fff;border:0;border-radius:999px}
.audience-tabs button{border:0;border-radius:999px;background:#fff;color:var(--mm-navy)}
.audience-tabs button[aria-selected=true]{background:var(--mm-yellow);color:var(--mm-navy)}
.audience-panel{
  display:grid;grid-template-columns:minmax(0,1.55fr) minmax(330px,.7fr);gap:22px;
  min-height:min(820px,82vh);padding-top:58px;align-items:stretch
}
.audience-scene{position:relative;width:100%;min-height:720px;margin:0;overflow:hidden;border-radius:36px}
.portrait-arch{position:absolute;inset:0;width:100%;height:100%;border:0;border-radius:0;overflow:hidden}
.portrait-arch img{width:100%;height:100%;object-fit:cover;object-position:center}
.scene-toolbox,.orbit-module{z-index:2;border:0;box-shadow:0 12px 35px rgba(7,27,65,.16)}
.scene-toolbox{left:28px;bottom:28px}
.orbit-top{right:28px;top:28px}
.orbit-bottom{left:28px;bottom:150px}
.audience-copy{
  align-self:stretch;display:flex;flex-direction:column;justify-content:center;padding:52px;
  background:#fff;color:var(--mm-navy);border-radius:36px
}
.audience-copy h3{font-size:clamp(2.8rem,4.6vw,4.8rem);line-height:.96}
.audience-copy>p,.audience-copy>.eyebrow{font-size:1.12rem;color:#405271}
.audience-copy li{border-color:var(--mm-line)}
.audience-copy li:before{color:var(--mm-blue)}
.audience-copy .button.dark{align-self:flex-start;margin-top:18px;background:var(--mm-blue);color:#fff}

/* Institutional adoption staircase. */
.adoption{padding-block:145px}
.adoption-heading{gap:70px}
.adoption-heading h2{font-size:clamp(3.5rem,6.4vw,6.5rem);line-height:.92}
.adoption-heading p{font-size:1.15rem}
.scaling-blocks{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;align-items:end;margin-top:70px}
.scale-block{width:auto!important;height:auto!important;min-height:330px;padding:28px;border:0;border-radius:28px;background:var(--mm-yellow);color:var(--mm-navy)}
.scale-block:nth-child(2){min-height:380px;background:var(--mm-pink);color:var(--mm-navy)}
.scale-block:nth-child(3){min-height:430px;background:var(--mm-green);color:var(--mm-navy)}
.scale-block:nth-child(4){min-height:480px;background:var(--mm-blue);color:#fff}
.scale-number{position:static;width:54px;height:54px;margin-bottom:auto;background:#fff!important;color:var(--mm-blue)!important;border-radius:50%}

/* Compact Bett event split: information left, immersive booth image right. */
.bett{margin:30px 24px;background:#fff;border:1px solid var(--mm-line);border-radius:46px;color:var(--mm-navy);overflow:hidden}
.bett-layout{display:grid;grid-template-columns:minmax(360px,.88fr) minmax(0,1.12fr);gap:34px;align-items:stretch;padding-block:32px}
.bett-copy{display:flex;flex-direction:column;justify-content:center;padding:8px 0}
.bett-copy .eyebrow{margin-bottom:12px;color:var(--mm-blue);font-size:.78rem}
.bett-copy h2{max-width:650px;margin-bottom:16px;font-size:clamp(3.15rem,4vw,4.35rem);line-height:.94}
.bett-copy h2 span{color:var(--mm-blue)}
.bett-copy>p:not(.eyebrow){max-width:570px;margin-bottom:16px;color:#405271;font-size:1.08rem;line-height:1.48}
.event-facts{display:grid;grid-template-columns:1fr 1fr;gap:0;margin:0 0 14px;border-top:1px solid var(--mm-line)}
.event-facts>div{display:grid;gap:1px;padding:7px 10px 7px 0;border-bottom:1px solid var(--mm-line)}
.event-facts>div:nth-child(2){padding-left:14px;border-left:1px solid var(--mm-line)}
.event-facts>div:nth-child(3){grid-column:1/-1}
.event-facts dt{color:#63728a;font-size:.8rem;font-weight:750;letter-spacing:.08em;text-transform:uppercase}
.event-facts dd{margin:0;font-size:1rem;font-weight:700}
.bett-copy>.button{align-self:flex-start;min-height:50px;padding:13px 23px;background:var(--mm-blue);color:#fff;font-size:1rem}
.bett-visual{position:relative;min-height:410px;overflow:hidden;border-radius:28px;background:var(--mm-ice)}
.bett-visual>img{width:100%;height:100%;object-fit:cover;object-position:center}
.event-icon{position:absolute;top:20px;left:20px;width:92px;height:92px;display:grid;place-items:center;background:var(--mm-blue);border:7px solid #fff;border-radius:50%;box-shadow:0 14px 35px rgba(7,27,65,.18)}
.event-icon svg{width:52px;height:52px;fill:none;stroke:#fff;stroke-width:4;stroke-linecap:round;stroke-linejoin:round}
.booth-badge{position:absolute;right:24px;bottom:24px;display:flex;min-width:170px;flex-direction:column;padding:18px 20px;background:var(--mm-yellow);color:var(--mm-navy);border-radius:20px}
.booth-badge span,.booth-badge small{font-size:.7rem;font-weight:750;letter-spacing:.07em;text-transform:uppercase}
.booth-badge strong{font:700 3.4rem/1 Roundelay,sans-serif;color:var(--mm-blue)}

/* Closing editorial statement. */
.about{padding-block:155px}
.manifesto{max-width:none;margin:35px 0 70px;text-align:left;font-size:clamp(5rem,12vw,12rem);line-height:.78;letter-spacing:-.055em}
.manifesto>span{margin:18px 0}
.manifesto>span:nth-child(2){padding-left:19%;color:var(--mm-navy)}
.manifesto>span:nth-child(3){padding-left:7%;font-size:inherit}
.manifesto em{color:var(--mm-blue)}
.about-description{max-width:none;grid-template-columns:.7fr 1.3fr;gap:90px;padding-top:40px;border-color:var(--mm-line)}
.about-description h3{font-size:2.8rem;line-height:1}
.about-description p{max-width:720px;font-size:1.25rem;color:#405271}
.blue-ending{margin:0;background:var(--mm-blue);color:#fff;border-radius:0;overflow:hidden}
.final-cta{padding-block:125px 95px;text-align:left}
.final-cta .eyebrow{color:var(--mm-sky)}
.final-cta h2{margin:25px 0 60px;font-size:clamp(4.5rem,9vw,9rem);line-height:.86}
.final-cta h2 span{color:var(--mm-sky)}
.contact-paths{justify-content:flex-start}
.contact-paths .contact-path{display:flex;align-items:center;justify-content:center;padding:16px 24px;border-radius:999px;color:#fff;font-size:16px;font-weight:700}
.contact-paths .contact-path:nth-child(1){background:var(--mm-navy)}
.contact-paths .contact-path:nth-child(2){background:var(--mm-pink);color:var(--mm-navy)}
.contact-paths .contact-path:nth-child(3){background:var(--mm-yellow);color:var(--mm-navy)}
.footer-main,.footer-bottom{border-color:rgba(255,255,255,.22)}
.footer-brand{color:#fff}.footer-brand small,.footer-main>div a,.footer-bottom{color:#bcd5f5}
.back-top{border:0;color:var(--mm-blue)}

/* Motion: soft upward entrance with a slow finish. */
.scroll-reveal{transition-duration:1.15s,1.35s;transition-timing-function:var(--mm-ease)}
.scroll-reveal.is-pending{opacity:0;translate:0 64px}
.eco-card,.journey-stop,.scale-block{transition:translate .65s var(--mm-ease),transform .65s var(--mm-ease)}
.eco-card:hover,.journey-stop:hover,.scale-block:hover{translate:0 -8px;transform:none}

/* Compact page rhythm: every chapter now follows the shorter Bett section. */
.section{padding-block:78px}
.hero{padding:112px 0 54px}
.hero-intro{padding-bottom:24px}
.hero h1{font-size:clamp(3rem,4.8vw,4.7rem)}
.hero-main-panel,.hero-app-panel{height:455px}
.hero-description{font-size:1.2rem;line-height:1.32}
.hero-product-view{max-width:520px}
.ecosystem{padding-top:28px}
.eco-card,.eco-card.curriculum,.eco-card.prepare,.eco-card.assess{height:315px;padding:22px}
.eco-card h2{font-size:clamp(1.7rem,2.3vw,2.35rem);margin:12px 0 16px}
.futures{min-height:560px;margin-bottom:76px;padding:42px}
.futures h2{font-size:clamp(4.5rem,8vw,7.8rem)}
.small-steps{font-size:clamp(1.45rem,2.3vw,2.25rem)}
.future-window{height:430px;padding-top:44px}
.future-phone{width:195px}
.journey{padding-top:78px}
.journey>h2{font-size:clamp(3.2rem,5.2vw,5rem);margin-bottom:22px}
.section-description{font-size:1.08rem}
.journey-map{grid-template-columns:repeat(4,1fr);gap:16px;margin-top:36px}
.journey-stop{min-height:300px;padding:24px}
.journey-stop .letter{width:58px;height:58px;margin:24px 0 16px;font-size:32px}
.journey-stop h3{font-size:1.75rem}
.journey-stop p{font-size:.94rem}
.teacher-manifesto{margin-top:18px;padding:42px 34px}
.teacher-manifesto p{font-size:clamp(3.4rem,5.5vw,5.4rem)}
.workbench-heading{gap:46px}
.workbench-heading h2{font-size:clamp(3.1rem,4.8vw,4.7rem)}
.product-playground{height:610px;margin-top:36px}
.workbench-capabilities{margin-top:26px}
.assessment{padding-block:82px}
.assessment-heading{gap:48px;margin-bottom:34px}
.assessment-heading h2{font-size:clamp(3.1rem,4.8vw,4.7rem)}
.assessment-rows summary{padding:20px 0;font-size:clamp(2.2rem,3.8vw,3.8rem)}
.assessment-content{padding:6px 0 30px 54px}
.people .section{padding-block:78px}
.people h2{font-size:clamp(3.4rem,5.3vw,5.2rem)}
.audience-panel{min-height:570px;padding-top:34px}
.audience-scene{min-height:570px}
.audience-copy{padding:38px}
.audience-copy h3{font-size:clamp(2.5rem,3.7vw,3.8rem)}
.adoption{padding-block:82px}
.adoption-heading{gap:46px}
.adoption-heading h2{font-size:clamp(3.1rem,4.8vw,4.7rem)}
.scaling-blocks{margin-top:38px}
.scale-block{min-height:245px;padding:23px}
.scale-block:nth-child(2){min-height:270px}
.scale-block:nth-child(3){min-height:295px}
.scale-block:nth-child(4){min-height:320px}
.about{padding-block:86px}
.manifesto{margin:24px 0 46px;font-size:clamp(4.5rem,8vw,8rem);line-height:.8}
.about-description{gap:58px;padding-top:28px}
.about-description h3{font-size:2.25rem}
.about-description p{font-size:1.08rem}
.final-cta{padding-block:82px 62px}
.final-cta h2{margin:20px 0 42px;font-size:clamp(4rem,6.5vw,6.5rem)}

@media(max-width:1100px){
  .header nav>a:not(.button){padding-inline:10px;font-size:14px}
  .header nav>.button{padding-inline:16px;font-size:14px}
  .hero-panels{padding:0;grid-template-columns:1.55fr .8fr}
  .eco-card,.eco-card.curriculum,.eco-card.prepare,.eco-card.assess{height:300px;padding:20px}
  .futures{padding:36px}
  .product-playground{height:570px}
}

@media(max-width:900px){
  html{scroll-padding-top:120px}
  .container{width:calc(100% - 40px)}
  .header,.header.is-scrolled{width:calc(100% - 28px);height:68px;top:calc(var(--announcement-height) + 10px);padding-inline:18px 10px}
  .menu-toggle{display:block;background:var(--mm-blue);color:#fff;border:0;border-radius:999px;padding:10px 16px}
  .header nav{display:none;position:absolute;left:0;right:0;top:calc(100% + 10px);padding:14px;background:#fff;border:1px solid var(--mm-line);border-radius:24px;box-shadow:0 18px 40px rgba(7,27,65,.14)}
  .header nav.open{display:flex;flex-direction:column;align-items:stretch}
  .header nav>a,.header nav>.button,.header nav>.button.ams-button,.header nav>.button.ams-button+.button{margin:0;text-align:center}
  .hero{padding-top:112px}
  .hero h1{font-size:clamp(3.2rem,8.5vw,5rem)}
  .hero-panels{grid-template-columns:1.4fr .8fr;min-height:0;padding:0}
  .hero-main-panel,.hero-app-panel{height:445px;min-height:0}
  .hero-description{font-size:1.2rem}
  .ecosystem{grid-template-columns:repeat(3,minmax(250px,1fr));overflow-x:auto;scroll-snap-type:x mandatory}
  .eco-card{scroll-snap-align:start}
  .futures{grid-template-columns:1fr;min-height:0}
  .future-window{width:min(100%,440px);justify-self:center}
  .journey-map{grid-template-columns:1fr 1fr}
  .workbench{margin-inline:12px}
  .assessment-heading,.adoption-heading{grid-template-columns:1fr}
  .scaling-blocks{grid-template-columns:1fr 1fr;align-items:stretch}
  .scale-block:nth-child(n){min-height:250px}
  .people,.bett{margin-inline:12px}
  .blue-ending{margin-inline:0}
  .bett-layout{grid-template-columns:1fr;gap:26px;padding-block:50px}
  .bett-copy{max-width:680px}
  .bett-visual{min-height:430px}
  .audience-panel{grid-template-columns:1fr;gap:28px;min-height:0}
  .audience-scene{min-height:480px}
  .audience-copy{min-height:350px}
  .about-description{gap:45px}
}

@media(max-width:600px){
  :root{--announcement-height:36px}
  .section{padding-block:78px}
  .container{width:calc(100% - 32px)}
  .announcement{padding-inline:14px}
  .announcement>div{gap:7px}
  .announcement strong{font-size:11px}
  .announcement a{font-size:10px}
  .header,.header.is-scrolled{width:calc(100% - 20px);top:calc(var(--announcement-height) + 8px)}
  .brand img{width:145px}
  .brand small{display:none}
  .hero{padding:100px 0 52px}
  .hero-intro{padding-bottom:28px}
  .hero-intro .eyebrow{font-size:9px}
  .hero h1{font-size:clamp(2.8rem,11.5vw,4rem);line-height:1}
  .hero-panels{display:flex;flex-direction:column;min-height:0;padding:0;border-radius:0}
  .hero-main-panel{height:440px;min-height:0;padding:25px 22px 0}
  .hero-app-panel{height:340px;min-height:0;padding-top:24px}
  .hero-description{font-size:1.12rem}
  .hero .actions{align-items:stretch}
  .hero .button{min-width:0}
  .principles{justify-content:flex-start}
  .hero-product-view{margin:20px auto 0}
  .ecosystem{grid-template-columns:repeat(3,280px);padding-top:26px}
  .eco-card,.eco-card.curriculum,.eco-card.prepare,.eco-card.assess{height:330px}
  .futures{margin:10px 8px 70px;width:auto;padding:28px 22px;border-radius:30px}
  .futures h2{font-size:20vw}
  .future-window{height:440px}
  .future-phone{width:200px}
  .future-bottom{grid-column:1}
  .journey{padding-top:80px}
  .journey>h2,.workbench-heading h2,.assessment-heading h2,.adoption-heading h2{font-size:clamp(3rem,13vw,4.6rem)}
  .journey-map{grid-template-columns:1fr}
  .journey-stop{min-height:300px;padding:26px}
  .teacher-manifesto{padding:42px 25px}
  .teacher-manifesto p{font-size:17vw}
  .workbench{margin:10px 8px;border-radius:30px}
  .workbench-heading{grid-template-columns:1fr;gap:12px}
  .product-playground{height:auto;padding:18px;display:flex;flex-direction:column}
  .desktop-window,.floating-panel,.review-badge{position:relative;inset:auto!important;width:100%!important}
  .workbench-capabilities{grid-template-columns:1fr}
  .assessment{padding-block:90px}
  .assessment-heading{gap:15px;margin-bottom:35px}
  .assessment-rows summary{font-size:11vw;padding:24px 0}
  .detail-toggle{width:42px;height:42px;font-size:1.8rem}
  .assessment-content{padding:0 0 35px}
  .people,.bett{margin:10px 8px;border-radius:30px}
  .blue-ending{margin:0;border-radius:0}
  .bett-layout{gap:24px;padding-block:42px}
  .bett-copy h2{font-size:clamp(2.9rem,12vw,3.8rem)}
  .event-facts>div{grid-template-columns:62px 1fr;gap:12px}
  .bett-visual{min-height:350px;border-radius:24px}
  .event-icon{top:16px;left:16px;width:82px;height:82px;border-width:6px}
  .event-icon svg{width:40px;height:40px}
  .booth-badge{right:14px;bottom:14px;min-width:145px;padding:14px 16px}
  .booth-badge strong{font-size:2.7rem}
  .people .section{padding-block:75px}
  .people h2{font-size:14vw}
  .audience-tabs{width:100%;display:grid;grid-template-columns:1fr 1fr;border-radius:24px}
  .audience-tabs button{border-radius:18px}
  .audience-panel{padding-top:35px}
  .audience-scene{min-height:460px;border-radius:24px}
  .audience-copy{min-height:0;padding:32px 24px;border-radius:24px}
  .scene-toolbox{left:15px;bottom:15px}
  .orbit-top{right:15px;top:15px}
  .orbit-bottom{left:15px;bottom:128px}
  .scaling-blocks{grid-template-columns:1fr}
  .scale-block:nth-child(n){min-height:260px}
  .bett-poster{grid-template-columns:1fr;min-height:0}
  .bett-code{text-align:center;font-size:34vw}
  .event-ticket{max-width:none;rotate:0}
  .manifesto{font-size:21vw;line-height:.8;margin-bottom:50px}
  .manifesto>span:nth-child(2),.manifesto>span:nth-child(3){padding-left:0}
  .about-description{grid-template-columns:1fr;gap:22px}
  .about-description h3{font-size:2.3rem}
  .about-description p{font-size:1.05rem}
  .final-cta{padding-block:85px 60px}
  .final-cta h2{font-size:16vw}
  .contact-paths{flex-direction:column;align-items:stretch}
  .contact-paths .contact-path{font-size:16px;padding:13px 20px}
  .footer-main{grid-template-columns:1fr 1fr}
}

@media(prefers-reduced-motion:reduce){
  .eco-card:hover,.journey-stop:hover,.scale-block:hover{translate:none}
  .assessment-rows details,.assessment-rows summary,.detail-toggle,.assessment-example{transition:none}
  .assessment-rows details.is-opening .assessment-content,.assessment-rows details.is-closing .assessment-content,.assessment-rows details.is-opening .assessment-example{animation:none}
}